Home / 217,972.80-327,007.80-170,733.60

Finding the Fourth Proportional to 217,972.80, 327,007.80 and 170,733.60

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Solution

The fourth proportional to 217,972.80, 327,007.80 and 170,733.60 is: 256,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,972.80 : 327,007.80 = 170,733.60 : x
  2. Step 2: Convert to fraction form
    217,972.80/327,007.80 = 170,733.60/x
  3. Step 3: Cross multiply
    217,972.80x = 327,007.80 × 170,733.60
  4. Step 4: Simplify right side
    217,972.80x = 55,831,218,922.08
  5. Step 5: Solve for x
    x = 55,831,218,922.08/217,972.80
  6. Step 6: Final answer
    x = 256,138.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.